Fatal error: Uncaught Error: Class 'Nette\InvalidStateException' not found in /home/benjamincb/demos/acdg-site/vendor/nette/schema/src/Schema/ValidationException.php:18 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/nette/schema/src/Schema/ValidationException.php on line 18